CN204005997U - Honeycomb fashion radiant tube - Google Patents
Honeycomb fashion radiant tube Download PDFInfo
- Publication number
- CN204005997U CN204005997U CN201420399215.0U CN201420399215U CN204005997U CN 204005997 U CN204005997 U CN 204005997U CN 201420399215 U CN201420399215 U CN 201420399215U CN 204005997 U CN204005997 U CN 204005997U
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- tube
- combustion
- pipe
- burner
- straight tube
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model is a kind of honeycomb fashion radiant tube, comprises bend pipe, upper straight tube, lower straighttube, heat storage, burner and combustion air pipe; One end of bend pipe is connected with straight tube, and the other end is connected with lower straighttube; Upper straight tube and lower straighttube combine by air entraining passage and straight tube outer tube; Air entraining passage comprises combustion tube and stay pipe; Straight tube outer tube sleeve is located at the outside of combination air entraining passage, and its length is greater than the length of air entraining passage; Heat storage is fixed on one end away from bend pipe in straight tube and lower straighttube; The number of burner is two, comprises burner and lower burner; One end of combustion air pipe is connected with upper burner, and the other end is connected with lower burner; The middle part of combustion air pipe is also provided with reversal valve; Reversal valve is connected with combination air pump; Combination air pump comprises aspiration pump and air delivery pump.The utlity model has in pipe hot-fluid equilibrium, heat production even; Manage outer heat radiation even; Novel structure, the feature that heat production efficiency is high and use cost is low.
Description
Technical field
The utility model belongs to radiant tube field, is specifically related to hot-fluid equilibrium in a kind of radiant tube, the uniform honeycomb fashion radiant tube of the outer heat radiation of pipe.
Background technology
Radiant tube is a kind of heat that utilizes combustion inner pipe gas combustion to produce, and taking heat radiation as principal mode, heat is delivered to the heater of heating object by the tube-surface being heated.Its combustion atmosphere does not contact with heating object with product, and heat treatment is to carry out under protective atmosphere completely, in the production process that therefore radiant tube is applicable to product quality to have relatively high expectations.
But, in existing radiant tube, be all a straight tube for the pipeline of the burning gases that burn, if the gas pressure of burning gases can not get balance, must cause the burning gases can not uniform filling in radiant tube, therefore the burning gases in radiant tube can not evenly burn, and cause existing in radiant tube irregular temperature difference, hot-fluid is unbalanced, further cause managing outer heat radiation inhomogeneous, heating object can not thermally equivalent, affects product quality.
Therefore, developing hot-fluid equilibrium in a kind of radiant tube, managing the uniform radiant tube of outer heat radiation is a difficult problem for the required solution of those skilled in the art.
Summary of the invention
For addressing the above problem, the utility model discloses hot-fluid equilibrium in a kind of radiant tube, the uniform honeycomb fashion radiant tube of the outer heat radiation of pipe.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of honeycomb fashion radiant tube, comprises bend pipe, upper straight tube, lower straighttube, heat storage, burner and combustion air pipe; One end of bend pipe is connected with straight tube, and the other end is connected with lower straighttube; Upper straight tube and lower straighttube combine by air entraining passage and straight tube outer tube; Air entraining passage comprises combustion tube and stay pipe; It is cylindric that combustion tube is, and its inwall is fixed with baffle plate; Baffle plate is spiral type; Stay pipe is six rib pipes, matches with combustion tube, is set in the outside of combustion tube; The tube wall of stay pipe is bonded to each other, forms cellular combination air entraining passage; Straight tube outer tube sleeve is located at the outside of combination air entraining passage, and its length is greater than the length of air entraining passage; Heat storage is fixed on one end away from bend pipe in straight tube and lower straighttube; The number of burner is two, comprises the upper burner being connected with upper straight tube and the lower burner being connected with lower straighttube; One end of combustion air pipe is connected with upper burner, and the other end is connected with lower burner; The middle part of combustion air pipe is also provided with reversal valve; Reversal valve is connected with combination air pump; Combination air pump comprises aspiration pump and air delivery pump.
The utility model is a kind of honeycomb fashion radiant tube, is made up of bend pipe, upper straight tube, lower straighttube, heat storage, burner and combustion air pipe.One end of bend pipe connects upper straight tube, and the other end connects lower straighttube; Heat storage is arranged on respectively in straight tube and lower straighttube one end away from bend pipe, and is connected with burner, and burner is connected with combustion air pipe.And the middle part of combustion air pipe is provided with reversal valve; Reversal valve is connected with the combination air pump that comprises aspiration pump and air delivery pump.The utility model can by open air delivery pump and switch reversal valve come selective combustion gas by upper straight tube enter, lower straighttube go out or by lower straighttube enter, upper straight tube goes out; Can also be by opening aspiration pump by the toxic emission producing in the utility model.
Upper straight tube in the utility model and lower straighttube are made up of air entraining passage and straight tube outer tube, and wherein air entraining passage comprises the stay pipe of columned combustion tube and six rib tubuloses, and stay pipe matches with combustion tube, and are set in the outside of combustion tube; And the tube wall of stay pipe is bonded to each other, form cellular combination air entraining passage.When this is arranged to arrive the burning gases in straight tube or lower straighttube, can automatic shunt; Burning gases after shunting are subject to the impact of gas pressure changing factor less, can be uniformly distributed in each air entraining passage, thereby realize evenly burning; And cellular combination air entraining passage can heat mutually, the heat in whole upper straight tube or lower straighttube is uniformly distributed, to managing the outer heat radiation that evenly carries out.
As preferably, heat storage comprises wire and ceramic particle; Wire is netted heating resisting metal silk; And be provided with layer 2-4; It is spherical that ceramic particle is, and is fixed on the grid node place of netted heating resisting metal silk.
Heat storage in the utility model is made up of heating resisting metal silk and ceramic particle, and traditional heat storage is all positioned at the outside of radiant tube, so just has the poor and caducous problem of sealing being connected between heat storage and radiant tube; Heat storage in the utility model is positioned at the inside of radiant tube, first can there is not sealing and caducous problem, and formed by heating resisting metal silk and ceramic particle, the heat that heating resisting metal silk can be by convection into the radiation mouth of pipe carries out uniform heat conduction, and be provided with ceramic particle between heating resisting metal silk, ceramic particle had both played the effect of isolation heating resisting metal silk, had the function of heat accumulation simultaneously.In the time being switched to by lower straighttube air inlet by upper straight tube air inlet, can carry out preheating to burning gases, can reduce burner required fuel of when burning, reduce heating cost.
As preferably, the length of stay pipe is less than or equal to the length of combustion tube, and the two ends closure of stay pipe is in the outer wall of combustion tube; Enclosure space between stay pipe and combustion tube is filled with argon gas.
The utility model is the length that is less than or equal to combustion tube by the Design of length of stay pipe, and by the two ends closure of stay pipe, is wherein filled with argon gas; In the time that the temperature in combustion tube is higher, the argon gas between stay pipe and combustion tube can be resisted the atmospheric pressure outside pipe, prevents that combustion tube from subsiding.
As preferably, the surface binded of baffle plate has particle combustion adjuvant.
The utility model has particle combustion adjuvant at the surface binded of baffle plate, can help the burning gases in combustion tube fully to burn, fully heat production.
As preferably, the wall thickness of combustion tube, stay pipe and straight tube outer tube is 2-3mm.
The pipe thickness of combustion tube, stay pipe and straight tube outer tube is all made as 2-3mm by the utility model, by tube wall thin-walled property, more easily absorbs thermal stress, more easily the heat producing in pipe externally carried out to radiation.
As preferably, the quantity of air entraining passage is 7.
In the utility model, the quantity of air entraining passage is chosen as to 7, one of them air entraining passage is positioned at the center of straight tube or lower straighttube, as center air entraining passage, the stay pipe tube wall of all the other 6 air entraining passages fits with 6 facial canal walls of center air entraining passage respectively, so forms combination air entraining passage.If the quantity of air entraining passage is less, cannot make full use of the space in straight tube and lower straighttube, and it is inhomogeneous to make to manage outer heat radiation; If the quantity of air entraining passage is more, the heat that is positioned at the air entraining passage of straight tube and lower straighttube center cannot be to external radiation, and the utilization rate of burning gases is low, and the identical caloric requirement of the radiation more burning gases that burn, have increased production cost.
The utility model is compared with existing radiant tube, and beneficial effect is: (1) manages interior hot-fluid equilibrium, heat production is even; (2) the outer heat radiation of pipe is even; (3) novel structure, heat production efficiency are high; (4) use cost is low.
Brief description of the drawings
Fig. 1, structural representation of the present utility model;
The profile of upper straight tube in Fig. 2, the utility model;
Structural representation wiry in Fig. 3, the utility model;
The side view of heat storage in Fig. 4, the utility model;
The profile of combustion tube in Fig. 5, the utility model.
Reference numerals list: bend pipe 1, upper straight tube 2, lower straighttube 3, heat storage 4, burner 5, combustion air pipe 6, air entraining passage 7, straight tube outer tube 8, combustion tube 9, stay pipe 10, baffle plate 11, reversal valve 12, aspiration pump 13, air delivery pump 14, wire 15, ceramic particle 16.
Detailed description of the invention
Technical scheme the utility model being provided below with reference to specific embodiment is elaborated, and should understand following detailed description of the invention and only be not used in restriction scope of the present utility model for the utility model is described.
Be illustrated in figure 1 structural representation of the present utility model, the utility model is a kind of honeycomb fashion radiant tube, comprises bend pipe 1, upper straight tube 2, lower straighttube 3, heat storage 4, burner 5 and combustion air pipe 6.
One end of bend pipe 1 is connected with straight tube 2, and the other end is connected with lower straighttube 3.
Upper straight tube 2 combines by air entraining passage 7 and straight tube outer tube 8 with lower straighttube 3; As shown in Figure 2, the quantity of air entraining passage 7 is 7, and air entraining passage 7 comprises combustion tube 9 and stay pipe 10; Combustion tube 9 is cylindric, and its inwall is fixed with baffle plate 11; As shown in Figure 5, baffle plate 11 is spiral type; And the surface binded of baffle plate 11 has particle combustion adjuvant; Stay pipe 10 is six rib pipes, matches with combustion tube 9, is set in the outside of combustion tube 9; The tube wall of stay pipe 10 is bonded to each other, forms cellular combination air entraining passage; Straight tube outer tube 8 is sheathed on the outside of combination air entraining passage, and its length is greater than the length of air entraining passage 7; The length of stay pipe 10 equals the length of combustion tube 9, and the two ends closure of stay pipe 10 is in the outer wall of combustion tube 9; Enclosure space between stay pipe 10 and combustion tube 9 is filled with argon gas.
Heat storage 4 is fixed on one end away from bend pipe 1 in straight tube 2 and lower straighttube 3; As shown in Figure 4, heat storage 4 comprises wire 15 and ceramic particle 16; As shown in Figure 3, wire 15 is netted heating resisting metal silk; And be provided with layer 2-4; Ceramic particle 16 is spherical, is fixed on the grid node place of netted heating resisting metal silk.
The number of burner 5 is two, comprises the upper burner being connected with upper straight tube 2 and the lower burner being connected with lower straighttube 3; One end of combustion air pipe 6 is connected with upper burner, and the other end is connected with lower burner.
The middle part of combustion air pipe 6 is also provided with reversal valve 12; Reversal valve 12 is connected with combination air pump; Combination air pump comprises aspiration pump 13 and air delivery pump 14.
The wall thickness of combustion tube 9, stay pipe 10 and straight tube outer tube 8 is 3mm.
Finally it should be noted that, above embodiment is the non-limiting technical scheme in order to the technical solution of the utility model to be described only, those of ordinary skill in the art is to be understood that, those are modified to the technical solution of the utility model or are equal to replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present utility model.
Claims (6)
1. a honeycomb fashion radiant tube, is characterized in that: comprise bend pipe (1), upper straight tube (2), lower straighttube (3), heat storage (4), burner (5) and combustion air pipe (6); One end of described bend pipe (1) is connected with straight tube (2), and the other end is connected with lower straighttube (3); Described upper straight tube (2) combines by air entraining passage (7) and straight tube outer tube (8) with lower straighttube (3); Described air entraining passage (7) comprises combustion tube (9) and stay pipe (10); Described combustion tube (9) is cylindric, and its inwall is fixed with baffle plate (11); Described baffle plate (11) is spiral type; Described stay pipe (10) is six rib pipes, matches with combustion tube (9), is set in the outside of combustion tube (9); The tube wall of stay pipe (10) is bonded to each other, forms cellular combination air entraining passage; Described straight tube outer tube (8) is sheathed on the outside of combination air entraining passage, and its length is greater than the length of air entraining passage (7); Described heat storage (4) is fixed on one end away from bend pipe (1) in straight tube (2) and lower straighttube (3); The number of described burner (5) is two, comprises the upper burner being connected with upper straight tube (2) and the lower burner being connected with lower straighttube (3); One end of described combustion air pipe (6) is connected with upper burner, and the other end is connected with lower burner; The middle part of combustion air pipe (6) is also provided with reversal valve (12); Described reversal valve (12) is connected with combination air pump; Described combination air pump comprises aspiration pump (13) and air delivery pump (14).
2. a kind of honeycomb fashion radiant tube according to claim 1, is characterized in that: described heat storage (4) comprises wire (15) and ceramic particle (16); Described wire (15) is netted heating resisting metal silk; And be provided with layer 2-4; Described ceramic particle (16) is spherical, is fixed on the grid node place of netted heating resisting metal silk.
3. a kind of honeycomb fashion radiant tube according to claim 1, is characterized in that: the length of described stay pipe (10) is less than or equal to the length of combustion tube (9), and the two ends closure of stay pipe (10) is in the outer wall of combustion tube (9); Enclosure space between stay pipe (10) and combustion tube (9) is filled with argon gas.
4. a kind of honeycomb fashion radiant tube according to claim 1, is characterized in that: the surface binded of described baffle plate (11) has particle combustion adjuvant.
5. a kind of honeycomb fashion radiant tube according to claim 1, is characterized in that: the wall thickness of described combustion tube (9), stay pipe (10) and straight tube outer tube (8) is 2-3mm.
6. a kind of honeycomb fashion radiant tube according to claim 1, is characterized in that: the quantity of described air entraining passage (7) is 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420399215.0U CN204005997U (en) | 2014-07-20 | 2014-07-20 | Honeycomb fashion radiant tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420399215.0U CN204005997U (en) | 2014-07-20 | 2014-07-20 | Honeycomb fashion radiant tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204005997U true CN204005997U (en) | 2014-12-10 |
Family
ID=52045995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420399215.0U Expired - Fee Related CN204005997U (en) | 2014-07-20 | 2014-07-20 | Honeycomb fashion radiant tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204005997U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913614A (en) * | 2015-06-23 | 2015-09-16 | 江苏双盈纺织科技有限公司 | Heat radiation type printing and dyeing drying device |
| CN106482100A (en) * | 2016-12-16 | 2017-03-08 | 北京神雾环境能源科技集团股份有限公司 | A kind of New Regenerative radiant tube combustion device |
| CN106642111A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Fractional combustion heat accumulating type radiant tube combustion device |
| CN106642112A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Flat flame-crossover heat-accumulation type radiant tube combustion device |
| CN108760322A (en) * | 2018-04-09 | 2018-11-06 | 中国商用飞机有限责任公司 | Even gas type distributed air electric heating system adapting to flow wide-range adjustment |
-
2014
- 2014-07-20 CN CN201420399215.0U patent/CN204005997U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913614A (en) * | 2015-06-23 | 2015-09-16 | 江苏双盈纺织科技有限公司 | Heat radiation type printing and dyeing drying device |
| CN106482100A (en) * | 2016-12-16 | 2017-03-08 | 北京神雾环境能源科技集团股份有限公司 | A kind of New Regenerative radiant tube combustion device |
| CN106642111A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Fractional combustion heat accumulating type radiant tube combustion device |
| CN106642112A (en) * | 2016-12-16 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Flat flame-crossover heat-accumulation type radiant tube combustion device |
| CN108760322A (en) * | 2018-04-09 | 2018-11-06 | 中国商用飞机有限责任公司 | Even gas type distributed air electric heating system adapting to flow wide-range adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150720 |
|
| EXPY | Termination of patent right or utility model |